/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Topo/TopologicalEdge.h
Link two edges. Two edges can be linked if :
void LinkIfCoincident ( [FTopologicalEdge](API\Runtime\CADKernel\CADKernel\Topo\FTopologicalEdge) & OtherEdge, double EdgeLengthTolerance, double SquareJoiningTolerance )